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Fusion Science and Technology Volume 63, 2013 - Issue 1T: Proceedings of the JOINT CONFERENCE OF NINTH INTERNATIONAL CONFERENCE ON OPEN MAGNETIC SYSTEMS FOR PLASMA CONFINEMENT and THIRD INTERNATIONAL WORKSHOP ON PLASMA MATERIAL INTERACTION FACILITIES FOR FUSION RESEARCH
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Articles

ICRF Experiment with Phase-Controlled Antennas on GAMMA 10

Y. UgajinPlasma Research Center, University of Tsukuba 1-1-1, Tennodai, Tsukuba-shi, Ibaraki, Japan, 305-8577
,
M. IchimuraPlasma Research Center, University of Tsukuba 1-1-1, Tennodai, Tsukuba-shi, Ibaraki, Japan, 305-8577
,
T. YokoyamaPlasma Research Center, University of Tsukuba 1-1-1, Tennodai, Tsukuba-shi, Ibaraki, Japan, 305-8577
,
Y. SaitoPlasma Research Center, University of Tsukuba 1-1-1, Tennodai, Tsukuba-shi, Ibaraki, Japan, 305-8577
,
M. HirataPlasma Research Center, University of Tsukuba 1-1-1, Tennodai, Tsukuba-shi, Ibaraki, Japan, 305-8577
,
R. IkezoePlasma Research Center, University of Tsukuba 1-1-1, Tennodai, Tsukuba-shi, Ibaraki, Japan, 305-8577
,
T. SatoPlasma Research Center, University of Tsukuba 1-1-1, Tennodai, Tsukuba-shi, Ibaraki, Japan, 305-8577
,
T. IimuraPlasma Research Center, University of Tsukuba 1-1-1, Tennodai, Tsukuba-shi, Ibaraki, Japan, 305-8577
,
Y. AnnakaPlasma Research Center, University of Tsukuba 1-1-1, Tennodai, Tsukuba-shi, Ibaraki, Japan, 305-8577
,
A. ShirataniPlasma Research Center, University of Tsukuba 1-1-1, Tennodai, Tsukuba-shi, Ibaraki, Japan, 305-8577
,
Y. NakashimaPlasma Research Center, University of Tsukuba 1-1-1, Tennodai, Tsukuba-shi, Ibaraki, Japan, 305-8577
,
R. MinamiPlasma Research Center, University of Tsukuba 1-1-1, Tennodai, Tsukuba-shi, Ibaraki, Japan, 305-8577
&
T. ImaiPlasma Research Center, University of Tsukuba 1-1-1, Tennodai, Tsukuba-shi, Ibaraki, Japan, 305-8577
 show all
Pages 268-270 | Published online: 10 Aug 2017
 
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Abstract

Production of high β plasmas in anchor-cell is necessary for MHD stabilization on the tandem mirror GAMMA10. Plasma heating in anchor-cell has been carried out by ICRF system (RF1) with both east and west Type-III antennas installed in the central-cell. By using an additional ICRF system (RF3) with a bar-type antenna installed in the east anchor-cell, more effective anchor heating has been confirmed. East Type-III and the bar-type antennas are driven with the same frequency and phase difference between two antennas can be controlled in the experiment. Plasma parameters depend on the phase difference between both antennas. Increase of the line density and the soft X-ray signal are observed in the opposite phase. Stable plasma production with only east RF1 and east RF3 are also confirmed.

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